HT

Hideaki Tomi

ML Mitsubishi Pencil Company, Limited: 3 patents #97 of 302Top 35%
Overall (All Time): #1,580,576 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7345100 Water-based ink composition for ball-point pen Kiyoshi Iwamoto, Yoji Takeuchi, Masaru Miyamoto 2008-03-18
7279512 Water-based ink composition for ballpoint pen Kiyoshi Iwamoto, Yoji Takeuchi, Masaru Miyamoto 2007-10-09
6099629 Water based ink and water based pigment ink having metallic lustrous color for ballpoint pen Masaaki Morita 2000-08-08